Ruijie Networks RG-S7808C Series User manual

RG-S7808C Series Switches
Quick Installation Guide V1.1

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Ruijie Networks©2017
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transmission, translation or commercial use of this document or any portion of this document, in any form or by any means,
without the prior written consent of Ruijie Networks is prohibited.
Exemption statement
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Preface
Thank you for using our products. This manual will guide you through the installation of the switch.
Scope
It is intended for the users who have some experience in installing and maintaining network hardware. At the same time, it is assumed
that the users are already familiar with the related terms and concepts.
Obtaining Technical Assistance
Ruijie Networks website: http://www.ruijienetworks.com/
Ruijie service portal: http://case.ruijienetworks.com
Related Documents
Documents
Description
Configuration Guide
Describes network protocols and related mechanisms that supported by the
product, with configuration examples.
Command Reference
Describes the related configuration commands, including command modes,
parameter descriptions, usage guides, and related examples.
Hardware Installation and Reference Guide
Describes the functional and physical features and provides the device installation
steps, hardware troubleshooting, module technical specifications, and
specifications and usage guidelines for cables and connectors.
Documentation Conventions
The symbols used in this document are defined as follows:
This symbol brings your attention to some helpful suggestions and references.
This symbol means that you must be extremely careful not to do some things that may damage the switch or cause data loss.

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1 Product Overview
Launched by Ruijie independently, RG-S7808C series next generation core switches adopt the Crossbar architecture. RG-S7808C
series switches support dual supervisor modules and power supply redundancy.
Designed with eight horizontal slots, RG-S7808C series support dual supervisor modules and provides six slots for service modules.
2 Safety Precautions for Movement
RG-S7808C series switches are large and heavy. When you carry them, please pay attention to the following requirements:
Unplug all power cords before you move the switch. Note: There may be more than one power cord.
Remove the power supply, fans and service modules to reduce the chassis weight before moving the switch for a long distance.
At least two people are needed to move the switch.
Keep balance when moving the switch by 4 people, and keep the pace with each other.
Grasp the handles on top side of the chassis, not the power supply handle, fan handle or the rear panel handle. Those handles
are just used to install and remove corresponding parts, and cannot bear the whole switch weight.
The whole switch weight may be greater than 70 kg during the movement.
3 Preparations Before Installation
3.1 ESD Prevention
Precaution
To avoid the damages from static electricity to the internal parts of switches, do as follows:
ESD prevention measures are taken in the sites where switches are installed.
Wear the antistatic wrist strap while installing various switch parts, especially when you may touch circuit boards with hands.
Grasp the edge of modules. Do not touch the parts or printed circuits directly.
Wearing the anti-static wrist strap
The antistatic wrist strap is shipped with RG-S7808C, which is used as follows:
1. Stretch out your hand into the antistatic wrist strap.
2. Lock the wrist strap and make sure that the metal part of the antistatic wrist strap is in good contact with skin.
3. Insert the antistatic wrist strap in the antistatic wrist strap jack of the switch chassis or clip on the grounding pole of the chassis.
The antistatic wrist strap jack is located on the front panel of the chassis marked with yellow ESD.
4. The antistatic wrist strap is grounded well and the DC electric resistance between the body and the ground is in the range of 1 to
10 mega ohms.
Figure 3-1 ESD Prevention on RG-S7808C

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3.2 Installation Site
RG-S7808C series must be used in the room. To ensure normal operation and a prolonged use life of the device, the installation site
must meet the requirements of weight capacity, humidity , cleanness, EMI consideration, grounding system, power, and ventilation.
See the Preparation before Installation chapter of RG-S7808C Series Switches Hardware Installation and Reference Guide for details.
3.3 Cabinet Mounting
Make sure the cabinet complies with the following conditions:
Install the switch in a 19-inch cabinet in 4-port form hold.
Be sure the distance between two square hole strips, one on each side, is 465 mm.
Figure 3-2 19-inch Cabinet
Be sure that the square hold strip is at least 125 mm far from the outboard front door and the door is at most 25 mm thick to
ensure a minimum available distance of 100 mm. The front door is at least 500 mm far from the back door,

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Figure 3-5 Cabinet Dimensions
Be sure that the slide rail in the cabinet is enough to bear the weight of a RG-S7808C and its installation accessories.
Be sure that the cabinet provides an earthing terminal for the switch to be grounded.
Be sure that the front and back doors of the cabinet have porosities greater than 50% for good ventilation and heat dissipation.
3.4 Installation Tools
Common Tools
Cross screwdriver, straight screwdriver, related electric and optical cables
Bolts, diagonal pliers, straps
Special Tools
Anti-static glove, stripping pliers, crimping pliers, crimping pliers for the crystal head,
wire cutter
Fiber Optic Cleaning Tools
Air-laid paper, optical fiber microscope
Meter
Multimeter, bit error rate tester (BERT), optical power meter
The tool kit is customer supplied.
3.5 Fiber Connection
Before connecting fiber cables, make sure the model of the optical transceiver and fiber type match the optical port. The transmit port
on the local device should be connected to the receive port on the peer device and vice versa.

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3.6 Unpacking
Goods Checklist
Chassis Carton
Device panels are installed and operational.
Fans, screwdriver, anti-static wrist strap, yellow/green grounding wires, quick installation
guide, packing list
Module Carton
Modules, packing list, documentation
A normal delivery should contain the above mentioned items, which may differ from the actual delivery, depending on purchase
contracts. Please check your goods carefully against the packing list or purchase contract. If you have any questions or there are
any errors, please contact your distributor.
4 Installing the Switch
4.1 Installation Flowchart
Figure 4-1 Installation Flowchart

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4.2 Installing Slide Rails
When installing slide rails for the RG-S7808C, ensure that the plane to carry the chassis should be installed on the plane of delimiters
of 1 RU, as shown in Figure 4-2.
Figure 4-2 Installing Slide Rails

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Note: ①and ②represents 1 RU delimiters.
Before installing a slide rail, please verify that it is firm enough to bear the device weight and its installation accessories.
There are variable kinds of slide rails. The rail appearance and installation is subject to actual conditions.
In order to keep the cabinet balanced, please install the slide rail to as low a position as possible in the cabinet if only one
RG-S7808C switch is installed. If you are mounting multiple devices to the cabinet, mount the heaviest device in the lowest
position of the cabinet first and proceed to mount the rest of the devices from bottom to top.
4.3 Installing the Air Filter (Optional)
Install air filters of the supervisor module and service module on the RG-S7808C.
If an air filter is used for a long time, dust may block its air vent, weakening system ventilation. It is recommended you wash the
air filter every three months.
Installing the Air Filters of the Supervisor Module and Service Module
Figure 4-3 Air Filter of Supervisor Module and Service Module on RG-S7808C

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Note:
Captive screw
Air filter
To install the air filter, follow these steps:
1) Insert the air filter along the slide rail. Make sure the air filter is installed properly.
2) Tighten the captive screws.
Figure 4-4 Installing the Air Filter of the Supervisor Module and Service Module on RG-S7808C Switch
4.4 Installing External PoE Power Frame (Optional)
The PoE power frame M78-PSE is an optional accessory. See RG-S7808C Series Switch Installation and Reference Guide for details.
If the system is installed with a PoE-powered service module, e.g., M7800C-48GT4XS-P-EA, you should select the proper PoE
power frame and PoE module.
To install the external PoE power frame, follow these steps:
1. Insert the PoE power frame into the slot along the rail. Make sure the PoE power frame is installed properly.
2. Tighten the captive screws.
Figure 4-5 Installing External PoE Power Frame

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4.5 Mounting Cable Management Bracket
Make sure the antistatic wrist strap is grounded well and wear the antistatic wrist strap.
The cable management bracket of RG-S7808C is mounted before delivery
Mount cable management brackets for RG-S7808C
1. Take out cable management brackets.
2. There are six cable management brackets on each side respectively. Make sure the cable management brackets are mounted
properly, as shown in figure 4-6.
3. Align the screw holes on the cable management brackets with those on the chassis and tighten the screws, as shown in figure
4-6.
Figure 4-6 Mounting Cable Management Brackets for RG-S7808C
4.6 Mounting the Switch to a Cabinet
Precautions
Before mounting RG-S7808C series to the cabinet, first verify that the front and back brackets of the cabinet are at the right locations.
If the bracket is too far forward, the front panel of the equipment may be too close to the front door, so that the front door cannot be
closed when network cables and fibers are connected. Usually, you should reserve at least 10 mm between the front panel of the
switch and the front door of the cabinet. Before mounting the switch to a cabinet, you need to meet the following conditions:
Fasten the cabinet.
Insert various modules in the frame properly.
Remove any obstacle in the frame and the surrounding environment.
Prepare the equipment and move it to the place near the cabinet where you can handle it easily.

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It is recommended to have three people carry or lift the switch. One is responsible for directing and the other two carrying or lifting
the switch.
Installation Steps
Measure the cabinet height and locate the position on the bracket for installing the slide rail. Then locate the position on the other
bracket through the carrying plane and mark the locations. Install seven cage nuts on the marked square holes on each bracket as
shown in figure 4-7.
Figure 4-7 Slide Rail Installation Position
Place the switch on the slide rail, and drive it smoothly into the cabinet until the front bracket reaches the square hole strip.
Align the installation holes on the bracket with the cage nuts on the square hole strip, and mount them with screws.
Figure 4-8 Mounting Switch into Cabinet

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4.7 Connecting the System Ground
A good grounding system protects your switch against lightning strikes and interferences and ensures its normal operation and
reliability.
Precautions
The sectional area of the grounding wire should be determined according to the possible maximum current. Cables of good
conductor should be used.
Do not use bare wire.
To ensure security, the switch should be well grounded. The grounding resistance for combined grounding should be less than
1Ω.
Connecting the System Ground
To connect the system ground, follow these steps:
1) Remove the two screws on the rear of the switch.
2) Attach the one end of the grounding wire to the switch with the two screws. Connect the other end of the grounding wire to the
grounding wire of the cabinet.
Figure 4-9 Grounding Point on Rear of RG-S7808C
To guarantee the security of the person and the device, the RG-S7808C must be well-grounded. The grounding resistance shall
be less than 1Ω.
A service person shall check whether or not the socket-outlet from which the equipment is to be powered provides a connection
the building protective earth. If not, the service person shall arrange for the installation of a protective earthing conductor from the
separate protective earthing terminal to the protective earth wire in the building.

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The socket-outlet shall be installed near the equipment and shall be easily.
When installing the unit, always make the ground connection first and disconnect it last.
The cross-sectional area of protective earthing conductor shall be at least 2.5 mm2 (12AWG).
4.8 Installing Power Supplies
The RG-S7808C series switches provide AC power supplies including RG-PA1600I-F and RG-PA600I-F, and PoE power supplies
including RG-PA3000I-PLand RG-PA1600I-PL. Before performing the following procedures, wear an anti-static wrist trap close to your
kin and keep it grounded.
The RG-S7808C power system provides four power supply slots and two PoE power slots. It is recommended that you
configure1+1 power supply redundancy.
When RG-S7808C is powered up by more than one source, the power must be in the same model.
If you want to carry or lift the power module, please hold the bottom of the module with your hand instead of carrying the module
by the handle. Otherwise, the module may be damaged.
Before inserting or removing the power module, please verify whether the switch is well mounted. The switch is high, avoid switch
tumble when you are inserting or removing the power module.
If you want to hot swap a power supply, please make sure that the interval between two operation is greater than 30s.
Please do not touch the golden finger part of the power supply which is removed after power off in case that capacitor discharge
is not full.
Install the AC power system
1. Loosen the captive screws on the fake panel covering the power slot at the rear of the chassis.
2. Insert the power module into the slot along the rail until the rear connector of the power module stays in good contact with the rear
panel.
3. Tighten the captive screws on the power module to fix it.
Figure 4-10 Installing AC Power Supplies
Install the PoE power system
The PoE power system shares the same installation steps with the AC power system.
The total power of power supplies of the RG-S7808C must be greater than the working power of the host. Otherwise, some
modules may fail to start.

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The host power is the summation of the power of all working modules, including the supervisor module, service module and fan.
For the power of each module, see RG-S7808C Series Switches Installation and Reference Guide.
4.9 Installing Fans
Before the following procedures, wear an anti-static wrist trap close to your skin and have it properly grounded.
Steps for installing the M08-FAN fan tray:
1) Install the fan tray into the fan slot in the back panel of RG-S7808C. Make sure that the fan is installed properly.
2) Tighten the captive screws on the fan tray with a screwdriver.
Figure 4-11 Installing M08-FAN
Do not remove the fan tray forcibly. You can use the fan handle. Otherwise, component damage may occur, which causes
deformation of the fan tray, and the fan tray cannot be removed.
4.10 Installing Modules
Always wear an anti-static wrist strap when installing the module and the metallic part of the anti-static wrist strap should be fully
touched with the skin. Besides, for the sake of security, please not touch any component of the module.
Do not hold the edge of the PCB or collide the components on the PCB.
Do not plug/unplug a supervisor module or service module forcibly, use the ejector.
Select Slots

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For the slot location of the supervisor module and service module, please see figure 4-12.
Figure 4-12 Slot location
Note:
①Supervisor module slot ②Service module slot
Install modules
The supervisor module and service module adopt the design of self-locking lever. See figure 4-13 for operation.
(1) Lever Operation
Figure 4-13 Pulling out Lever
(2) Module Installation
1) Pull out both levers (①in figure 4-14).
2) Insert the module into the slot along the rail and drive it ahead smoothly (②in figure 4-14).
3) Push both levers toward the slot (③in figure 4-14).
4) Tighten captive screws on both sides of the panel (④in figure 4-14).
Figure 4-14 RG-S7808C in Chassis

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If a slot is not inserted with a supervisor module, or service module, please cover the slot with a filler panel for heat dissipation.
4.11 Connecting the Power Cord
Connect the power cord to the location as required according to the identification on the power module panel, including RG-PA1600I,
RG-PA600I, RG-PA3000I-PL and RG-PA1600I-PL.
Make sure the socket is powered off before the power cord is connected.
1) Insert the AC power plug into the power module socket.
2) Take out the spring clip.
3) Install the spring clip on the front panel of the power module.
4) Fasten the spring clip to the power cord.
5) Connect the other end of the power cord to an external power socket.
Figure 4-15 Connecting Power Cord
Please use the 3-pin power cord. The cross-sectional area of each pin is 1.5 mm2or 14 AWG minimum.
16A and 10A power cords are available for the RG-S7808C AC power supply. Adopt the proper socket and verify the AC power
supply capacity in the machine room.

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4.12 Installation Verification
Before you check the installation, please make sure that all power supplies have been turned off to avoid hurting you or the
switch.
Before powering up the RG-S7808C, please verify the following items:
Verify that the fan meets the requirement. See RG-S7808C Series Hardware Installation and Reference Guide for details.
Verify that the power supply is properly selected. See RG-S7808C Series Hardware Installation and Reference Guide for details.
Verify that the power module is inserted properly and the screws are fastened tightly.
Please don’t power up the switch by yourself and don’t perform live-line maintenance.
Verify that there is no potential danger in the working area, for example, the power supply is not grounded well, or the ground is
wet.
Please do not place the switch at a damp place to prevent the moisture from entering the switch.
Be sure of the location of the emergency power switch. If an emergency occurs, cut off the power first.
Verify that all power supplies are turned off if you want to turn off the power.
Verify that the power cord is connected properly and won’t be loosened.
Verify that the power cord is long enough to avoid being stretched.
Verify that the rated current of the external power socket is greater 16A and that the socket is grounded well.
Verify that each power module is connected to a power socket.
Verify that the vacant slot is covered with a filler panel for ventilation and heat dissipation.
5 Logging in to the Switch
You can log in to the switch through the Console port.
Connecting Console Cables
1) Connect one end of the DB-9 jack of the console cable to the serial port of the PC or the terminal.
2) Connect one end of the console cable DB-9 to the console port on the supervisor module.
Figure 5-1 Connecting Switch to PC through Console Port

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Powering-on and Checking
Make sure that the power cord is connected to the power supply, and the power supply is operational. The following table lists the
operational conditions indicated by the module LEDs.
Module
LED Indicator
Status
Supervisor Module
Status
Solid green
Service Module
Status
Solid green
Power Supply
Status
Solid green
Fan
Status
Solid green
For the detailed description of LEDs, see RG-S7808C Series Switches Hardware Installation and Reference Guide.